D12B 21-LED black light LED flashlight is perfect for outside use
such as hunting scorpions and minerals, and widely used in
detecting fluorescent agent, fluorescence fiber special lighting
industry, such as:

1. Inspection. Clearly show small animal, pets urine, like cats',
dogs' mouses', strains on carpet or furniture, or food stains on
floor.

2. Counterfeit Protection. The UV light reveals ‘hidden’
anti-counterfeit labels to ensure the authenticity of important
documents like passports and ID. The light can even authenticate
banknotes.

3. Hotel Room Inspection: Use the UV light to make sure the room is
clean and safe.

4. Bug Spotter: Shine the UV light on your vegetable patch to catch
bugs and pests having an evening feast.